Pulverizing lignite in a ball mill

Author:	Dockter, L.
Additional Authors:	Belter, John W., Ellman, Robert C.
Year:	1967
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:7010
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7010
Subjects:	Lignite
	Ball mills
Link:	https://hdl.handle.net/2027/mdp.39015078532077